查询词典 processing method

Present methods for diluting were briefly introduced, and a new method, selection from point to point, was put forward and demonstrated to be a practical method. In the end,several problems about right-angle processing,deleting redundant points and lines were s imply discussed.

概述了目前已有的几种曲线点抽稀方法，提出了一种新的方法——逐点筛选法，并且用实例证明了它的实用性；最后，简要介绍了进行直角化处理、重复点线的删除以及接边时要注意的问题。

The traditional query tree optimization methods,parallel database optimization methods based on left linear trees and right linear trees,bushy trees,and operation of the forest,have their own pros and cons,they have been more in-depth and maturity of the study.The query optimization method based on multiple weighted tree has studied its model of parallel query plan,its complexity model of parallel query plan and query optimization algorithms.The semantic query method transforms an inquiry into one or several semantic equivalence inquiries then has to find and implement a strategy to achieve a better query.Agent-based parallel database query optimization using Multi-Agent technology to automatically search the integrity constraint conditions which are related to the determined query,there for,the efficiency between several relations' joins has been greatly improved.The parallel optimization algorithm,based on genetic algorithm which is suitable for multi-joins of cluster environment,has deeply studied the relations storage options,multi-joins query optimization and query processing and other key technologies based on cluster parallel database.

传统的查询树优化方法，即基于左线性树、右线性树、浓密树、操作森林的并行数据库查询优化方法，各有优劣，对其的研究比较深入、成熟；基于多重加权树的查询优化方法，研究了其并行查询计划模型、并行查询计划的复杂性模型和查询优化算法；语义查询优化方法将一个查询变换成一个或数个语义等价的查询，进而寻找并执行这些等价查询中具有较好实现策略的一个；基于Agent的并行数据库查询优化采用Multi-Agent技术自动查找与给定查询有关的完整性约束条件，使得多个关系间连接操作的效率得到很大的提高；基于遗传算法的并行优化算法，深入研究了基于机群并行数据库中关系存储的选择、多连接查询优化和查询处理等关键技术。

The production method and processing conditions of sulfur,sodium hyposulfite, sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.

介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件，指出硫化氢的综合利用生产工艺简单，产品质量稳定，容易工业化，产品成本低，同时消除了硫化氢尾气对环境的污染，有巨大的经济效益和社会效益，发展前景非常广阔。

The process improvement of flaky sodium hydrosulfide production;2. The production method and processing conditions of sulfur,sodium hyposulfite, sodium hydrosulfide and thiourea from hydrogen sulfide tail-gas in the production of barium carbonate by carbonation method are introduced.

介绍了利用碳化法生产碳酸钡的硫化氢尾气生产硫磺、硫代硫酸钠、硫氢化钠和硫脲的生产方法和工艺条件，指出硫化氢的综合利用生产工艺简单，产品质量稳定，容易工业化，产品成本低，同时消除了硫化氢尾气对环境的污染，有巨大的经济效益和社会效益，发展前景非常广阔。

Facing to the key problems in computer vision measurement, for example, the method of laser strip image processing, the algorithms of extracting"feature point"of joint, the method of structure light sensor design and so on, comprehensive studies are down on both theory and in practice.

本文在对常用的焊接接头跟踪方法进行系统研究的基础上，选择结构光视觉的方法来检测和跟踪焊接接头；并针对视觉传感器的结构光图象处理方法、焊接接头特征点提取算法和结构光传感器的设计方法等进行了大量的研究，成功地研制出一套多道焊焊接接头跟踪控制系统。

A novel method of data processing between the finite element deformation results and the surface distortion of optical element was presented and compared with the traditional method.

提出了一种新的有限元变形结果与光学元件面形畸变之间的数据处理方式，并与传统方式进行了对比。

In chapter four, we construct an evaluation index system. And we discuss the method of putting weights to every index and data processing, and we also study the method of the synthesization of the indexes.

在第四章中，构建了产业集群竞争力评价指标体系，并讨论了指标的赋权法和数据处理，以及指标的综合方法。

In this paper, areal-time inspect method which is based on the machine vision technical has beenput forward, this method is low-cost and high-performance. We have researchedon the frame of the inspection system, how to get the high-quality image andthe real-time image processing arithmetic. In china, the problem of real-timeinspection of antifalsifiaction paper security thread has been successfullysolved for the first time.

本文提出了一种基于机器视觉技术的低成本／高性能的实时自动检测方法，对自动检测系统的构成、高清晰度图像的获取以及图像的实时处理算法等进行了比较深入的研究，在国内首次成功地解决了防伪纸张安全线在线自动检测的难题。

Aiming at the real-time monitoring the temperature field of VEBB, there is introduced the method that rebuilds the temperature field of welding by applying the digital image processing technology based on the tricolour method and color CCD.

针对真空电子束钎焊温度场的实时监测，讨论了基于彩色CCD的焊接温度场三基色测温方法，运用数字图像处理技术得到焊接温度场分布。

Based on the analysis,advance a method of designing and processing modification spiral bevel gear and design a new type of cutter are put forward.By the local synthesis method,the mesh quality of the modification spiral bevel is researched.

在此基础上，提出了一种修形弧齿锥齿轮的设计加工方法，并设计了新型加工刀具，此外，还借助于局部综合法，研究了修形弧齿锥齿轮的啮合质量。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。